{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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3k views

An equation skip problem — amsmath package and \above/belowdisplayskip

I have been puzzled by a problem about math equation skip for days. I set the \lineskiplimit, \lineskip, \abovedisplayskip and others length macros before and after equations all to zero, but there ...
4
votes
2answers
629 views

Adding labels to a formula

I have a diagram like this, explaining a formula: \documentclass{article} \usepackage{stackrel} \begin{document} $\stackrel[e+f+g+h^i]{a^b}{c d}$ \end{document} For this example, I have removed ...
21
votes
1answer
375 views

Unicode in the equations: pros and cons

Is there any pros and cons for using of Unicode (and vice versa) in LaTeX equations? Consider two examples: \lim_{h→0}∫_{x_0}^{x_0 + h}\frac{f(t)}{h} = f(x_0) x_0 ⇔ ∀ 𝜀 > 0, ∃ 𝛿 > ...
20
votes
1answer
725 views

Highlight equations in a typographically correct manner

I am presenting a model composed of a dozens of equations, some of them requiring a somewhat lengthy derivation. The equation that continue the actual model appears progressively along the derivation ...
13
votes
2answers
11k views

Use of \small in the equation environment

My equations are a little too large for the normal eqnarray environment, so I've been using the \small delimiters around the \begin{eqnarray} ... \end{eqnarray}. Unfortunately, this causes the the ...
9
votes
2answers
297 views

Label variables of equation using tikz without using itemize

I'm trying to use tikz to label the variables of an equation. I know of a similar question (Itemized Equation) but the answer uses itemize to label the variables. I would like to do something similar ...
9
votes
3answers
2k views

Why doesn't lineno number a paragraph when it is followed by an “align” equation environment without a space?

lineno skips the line numbering in this case: \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{lineno} \linenumbers \begin{document} Lorem ipsum dolor sit amet, consectetur adipiscing ...
7
votes
1answer
253 views

Image equation to TeX

Is there a tool for exporting equation images to TeX? Probably something related to OCR. I have a lot of image-equations in a word document that I'd like to convert to TeX. Note that the equations ...
6
votes
2answers
5k views

How can I box multiple aligned equations?

This question is two-fold. In my document, I currently have boxes around single equations like so: \documentclass[11pt]{article} \usepackage{amsmath} \begin{document} \begin{equation} ...
24
votes
10answers
1k views

Best typesetting of formula

Consider the following example. \documentclass{article} \usepackage{amsmath} \newcommand*\mathsetfont{\mathbf} \newcommand*\DeclareMathSet[1]{% \expandafter\newcommand\csname ...
24
votes
3answers
907 views

How to avoid widow lines after displayed equations

If a displayed equation is close to the bottom of the page, TeX likes to insert a page break even if the current paragraph contains only one more line after the equation, as e.g. in ... it follows ...
20
votes
3answers
22k views

Adding letters to equation numbers

I want to number use a equation and add a letter to the equation number such as: f(x) =a x and g(x) = b x (3.1.1a,b) That is e.g. using \begin{equation} ... \label{eq} ...
16
votes
1answer
8k views

Adding line numbers to latex and respecting equations

It's often convenient to add line numbers to a page automatically and the lineno package generally does the trick. But I've had two problems with it It doesn't seem to align the line numbers with ...
12
votes
3answers
915 views

How do I obtain multline-type alignment within a group of equations?

I want to achieve something like the following (for now achieved using Microsoft Paint): That is, I want to group a number of multi-line equations within a single equation-type environment (i.e. ...
11
votes
1answer
10k views

Change the type of equation numbering in document class article [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements I have written my thesis in document class 'article' (don't ask me why). Now ...
9
votes
2answers
5k views

Mixed (sub)equation numbering within an array

I am trying to use subequations inside an array environment. Specifically, I am trying to create an array that has both regular numbered equations and subequations. I am looking to create an array ...
7
votes
2answers
2k views

How to align terms in alignat environment

These are my math equations. To enhance readability, I'd like the third column to be aligned around the + sign; that is, I wish to place some horizontal blank in front of $n\mathbf{A}_0$ (not ...
7
votes
3answers
329 views

Highlight equations by temporary changing the formatting of their number

I am writing a long paper having 100+ equations, and want to highlight a few key equations. Since the journal won't let me use boxes around equations, I am trying to have their label being typeset ...
7
votes
2answers
4k views

How to place and number 3 short equations in one line?

I have 3 short equations which consume much vertical space, if each one is typeset in a separate line. How can I typeset them in one line in a "mathematically correct" way? I do not necessarily need ...
7
votes
3answers
942 views

Diagram displayed as an equation

Sorry to ask a direct question like that but: how can you do that ? Is it a complicated use of align ? Is it really and equation (mathmode) ?
6
votes
2answers
87 views

What's the difference between split and aligned?

I don't understand the difference between the split and aligned environments introduced by amsmath, so I'm posting this question as a place to collect what subtle details there may be. One thing ...
6
votes
1answer
132 views

Equation summary

I am writing a book for my students and I wish, at the end of each chapter, do a summary of all important equations from that chapter (with its equation number, actual formula, and a little ...
6
votes
1answer
1k views

Centering xymatrix in equation environment

The xymatrix diagram does not seem to vertically align when grouped in an equation environment. For example, this code produces the following image (which seems to place the xymatrix 2.5em lower than ...
5
votes
1answer
254 views

Annotated equations

I need many of my equations to have annotations stating their domain of validity, or certain conditions for which the equation is true. Preferably, these would be flush right against the equation ...
5
votes
1answer
333 views

Adjust equation numbering indent relative to a \newenvironment

I was working on a new environment for the examples I explain for my lecture notes (fancy environment), but when I create an equation using the equation environment within my newly created example ...
5
votes
3answers
1k views

Crop equations with preview package

Is it possible to avoid left space from equations previewed with preview package? \documentclass{minimal} \usepackage{amsmath} \usepackage[active,tightpage,displaymath]{preview} ...
4
votes
1answer
110 views

More than one nomenclature/acronyms list in the document

I would like to have more than one nomenclature/acronyms in my document: Below every equation At the beginning of the document a complete nomenclature of all symbols used. Do you know whether it ...
4
votes
2answers
95 views

How to number two equations as one

\begin{align} ...
4
votes
2answers
863 views

How to label text with equation number?

I'm trying to put equation numbers next to text as if said text was an equation. If I use \text{} in an align* environment, it typesets the text right-aligned and the whole environment centered, but ...
4
votes
2answers
501 views

Cross-references linking to wrong equations using `hyperref`

I have two macros I've defined that I use to set the context in which equations are numbered in my document. One that establishes something I call a 'block' in which equations are numbered, by ...
4
votes
2answers
669 views

System of linear equations wobbles

I tried to illustrate how to solve a system of linear equations but I don't come along with the different approaches to position the equations. They are shifted at some slides, e.g. if an arrow is ...
3
votes
2answers
5k views

Align multiline equation with expression after equal sign

I am trying to align a multiline equation using array within the equation but it turns out it doesn't do very well. The code I am using is as follows: \begin{equation}\ \begin{array}{lcl} ...
3
votes
1answer
795 views

Multiple equation numbers for a tikz picture

I am attempting to draw two related exact sequences in the same tikz picture, for alignment purposes. I currently have wrapped the tikzpicture environment in an equation environment, so that both ...
2
votes
1answer
3k views

Add an equation at the bottom of a two-column article

How can I place a two-column equation (a large equation that does not fit in one column) at the bottom of a page?
1
vote
1answer
118 views

How to get dots in between equation and equation numbers with equation is centrally aligned?

Add dots between equation and equation numbers without changing the equation's default center position?
12
votes
1answer
558 views

Put equation numbers in the sidemargin with Tufte-Latex class

In Tufte-Latex all captions etc. are in the side margin. I want to put the equation numbers there as well. Is it possible to do this?
10
votes
1answer
525 views

Bad position equation number Lualatex

If a math display is too wide, then the \eqno appears on the next line on the left instead of on the right as it should. Does anyone know how to solve this problem? This is an example: ...
10
votes
3answers
962 views

Too long equation without splitting

I am writing an equaition which is too long-wide. I don't want it to split. I tried to change the fontsize within the equation enviroment but it didn't work. I am using \documentclass[11pt]{article} ...
10
votes
2answers
663 views

Horizontal alignment within an equation using Tikz

I am trying to center horizontally the first terms of a system of equations inside the alignat environment. I don't know if Tikz is the right way to go, but as I might have to add some other ...
10
votes
5answers
2k views

Moving the equation number up

In what's below, the equation numbering is annoying and forcing it to move up would be a solution. Anyway what are your suggestions to fix this without modifying the equations? ...
9
votes
3answers
357 views

Writing an equation with the units positioned off right

Okay so I have a have a lot of equations in the document I am writing and I am trying to display the units of an equation off to the right. I was wondering how I can achieve this? Right now, all I ...
9
votes
5answers
2k views

How to subtract two equations?

I am trying to subtract one equation from another but I can't get it to display the way that I want. This is what I have right now. \begin{align*} &y&=2x+5\\ -&&\\ ...
9
votes
1answer
8k views

Aligning the right parts in multiple \begin{cases}

Is there an intelligent way to left-align the parts right of & of the two cases environments shown below (if x >= 0, otherwise, if y < 0, otherwise). I wonder if there is a better way than ...
8
votes
2answers
1k views

Avoid addition of spaces when using colorbox in equations

Colorbox adds some spaces when I use it in equations. E.g. in \documentclass[12pt]{article} \usepackage{xcolor} \begin{document} \colorbox{yellow}{${a^2}+b^2=c^2$} ...
8
votes
1answer
2k views

Coloured equation number (without changing colour of reference using hyperref)

I am working on a file where I am using the package hyperref so that the references to equations are linked and coloured. Here is a MWE: \documentclass{article} \usepackage{amsmath} ...
8
votes
1answer
2k views

Long equation does not page break

I have a series of equations steps, about 20 lines or so. I would like to have it automatically decide page break when necessary, but it resists and always tries to stay in a whole page, rendering the ...
7
votes
1answer
163 views

How do I suppress the whitespace above an equation block at the page top?

How do I suppress the whitespace above the equation block at the page top ? It is added to the top margin, and I don't want that to happen. I know that \abovedisplayshortskip controls this for the ...
7
votes
4answers
584 views

Uneven display skips

Here is yet another attempt at this question. I've narrowed down a MWE: \documentclass{article} \usepackage{amsmath} \usepackage[amsmath,standard,thmmarks]{ntheorem} \begin{document} Integer ...
7
votes
1answer
2k views

Placing equation number on left with reqno option in amsart document class

Is there a way to force individual equations to place their equation numbers (or more specifically the result of a \tag*{blah}) on a specific side of the page regardless of the options to amsart. I ...
6
votes
2answers
94 views

autoref and braces around equation number

I am writing an article for a journal with AMS math equation style, e.g. "Eq. (1)". I want to hyperref the entire "Eq. (1)" and not merely the "1". Currently I use ...